Replacing transmission need help finding the model number

1983 CHEVROLET TRUCK
100,000 MILES • 7.4L • V8 • AUTOMATIC
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HANS RASMUSSEN
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I have a truck with a 454 big block and I'm not sure what kind of transmission is in the truck? I know it is a automatic but i need help finding the model number. That way i can somewhat teach myself alongside the mechanic i'm doing it with, how to take it out to have it rebuild. then i can put it back in.
Oct 24, 2019 at 7:11 AM
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HANS RASMUSSEN
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Outside of truck.
Oct 24, 2019 at 7:13 AM
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HANS RASMUSSEN
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Engine.
Oct 24, 2019 at 7:14 AM
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ASEMASTER6371
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Good morning,

I attached a picture of the pans for the transmission. I circled the 2 possibilities for you to view. They offered both transmissions for this year and engine.

Match up the pan with the picture and the type is below the pan.

Roy
Oct 24, 2019 at 8:07 AM
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HANS RASMUSSEN
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Thanks Roy. I will check the pans tomorrow on my day off and let you know what I found. Thanks a million Roy.

Hans
Oct 26, 2019 at 10:11 PM
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ASEMASTER6371
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You are welcome.

Always glad to help.

Roy
Oct 27, 2019 at 5:09 AM
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HANS RASMUSSEN
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It is the second one. It is the 700 r4 transmission.
Oct 27, 2019 at 6:23 PM
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ASEMASTER6371
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Good. That is a good transmission.

You can go the ATSG guides and they provide a manual for doing an overhaul.

Roy
Oct 27, 2019 at 7:27 PM
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HANS RASMUSSEN
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Thank you. I'll get on that.
Oct 28, 2019 at 7:13 AM
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ASEMASTER6371
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You are welcome.
Oct 28, 2019 at 7:22 AM
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HANS RASMUSSEN
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By the way. I got it pulled out and everything rolls and moves okay. I was able to dis-engage the 4-wheel drive and put in neutral so it rolled. She looks a lot better now that the tires are aired up and surprisingly holding air too.
Oct 28, 2019 at 7:52 AM
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ASEMASTER6371
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Love the old square bodies.

Roy
Oct 28, 2019 at 2:50 PM
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HANS RASMUSSEN
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Hey Roy, Do you know of any videos or guides on how to remove this specif type of transmission for these older trucks? Thanks, Hans
Oct 30, 2019 at 7:28 AM
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ASEMASTER6371
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YouTube video.

Roy

https://www.youtube.com/watch?v=zUf9sGia-MM
Oct 30, 2019 at 9:29 AM
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HANS RASMUSSEN
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Thanks, I have Friday - Sunday to work on it so i should be able to get er done. Thanks for all your Help Roy. Hans
Oct 31, 2019 at 7:12 AM
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ASEMASTER6371
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Sounds good.

Roy
Oct 31, 2019 at 9:05 AM